All engineering roles
Open engineering roles from public job boards. Postings that mention AI tools come first.
131 postings
Nous · Nous HQ (United Kingdom)
…The equipment / setup / training you need to do your best work (and of course, AI subscriptions, including Claude Code Max tier) - 🤝 A high-context environment with lots of exposure to the big decisions - be in the room when…
Artefact · 135 W 26th Street, New York, NY 10001; Montréal, Quebec, Canada; Montréal, Quebec, Canada; North America
…SDKs (LangGraph/LangChain, Google ADK, Claude Agent SDK), agentic coding tools (Claude Code, Gemini CLI, Cursor), and modern full-stack frameworks (TypeScript/React front ends; Python/Node backends). Experience designing…
Cloudflare · Hybrid; Austin, TX, United States
Data / ML engineeringLangChainLangGraphAutoGen / AG2Agentic codingAI / agent harnessAgentic workflows+7 more…spaces and collaborate cross-functionally with data engineers, full-stack teams, and analysts. AI, LLMOps & Agentic Engineering Hands-on proficiency in building production-grade GenAI applications and multi-agent systems using advanced…
Feverup · Spain
StaffSpainLocal / open-weight LLMsAgentic codingAI / agent harnessAgentic workflowsMulti-agent systemsEvals / LLM evaluation+4 more…RAG, multi-agent orchestration, and evals. You build with agents; you don’t just use them: You use a coding agent every day on production work, and you’ve engineered it with your own skills, sub-agents, hooks, MCP…
OpenAI · San Francisco; Seattle (United States)
…evaluation harnesses, or artifact pipelines. - Experience with automated optimization, search systems, coding agents, or evaluator-driven systems that iteratively improve kernels or runtime configurations. About…
Nous · Nous HQ (United Kingdom)
…The equipment / setup / training you need to do your best work (and of course, AI subscriptions, including Claude Code Max tier) - 🤝 A high-context environment with lots of exposure to the big decisions - be in the room when…
OpenAI · San Francisco (United States)
…experience with LLMs, RL, RLHF/RLAIF, post-training, evals, graders, synthetic data, model training, coding agents, tool-using agents, or production ML systems. - Are excited by open-ended problems where the path is…
Triplewhale · New York City; Remote US
…put it on the most trusted measurement foundation in the industry. And on top of that, we give you the only AI harness in commerce — Moby — letting you tap any LLM you want, grounded in the full context of your business. Moby…
Mozilla · Remote Canada; Remote US
…and the circumstances in which it fails. Curiosity about AI agents and a willingness to work directly with agent harnesses and coding tools. You can connect a low-level implementation choice to the information an agent receives and…
Mozilla · Remote US
…and the circumstances in which it fails. Curiosity about AI agents and a willingness to work directly with agent harnesses and coding tools. You can connect a low-level implementation choice to the information an agent receives and…
Anthropic · New York City, NY; San Francisco, CA; Seattle, WA; San Francisco, California, United States
StaffAI / agent harnessAgentic workflowsEvals / LLM evaluationPrompt / context engineeringAI security…and high-signal as model and agent capabilities advance. Agentic investigation evals. Build and own the evaluation harness for an agentic investigation system — defining metrics, test cases, and grading approaches for a complex,…
Perplexity · San Francisco (United States)
StaffAI / agent harness…across engineering and applied research to solve many open problems in AI, including: - Designing frontier agent harnesses and systems to perform high-stakes, mission-critical work for our users; - Leveraging action and decision…
Perplexity · San Francisco (United States)
…You'll lead, grow, and support a team in solving many open problems in AI, including: - Designing frontier agent harnesses and systems to perform high-stakes, mission-critical work for our users; - Leveraging action and decision…
Cohere · United States; San Francisco; Canada; New York; Ottawa; Toronto; Montreal
…work: Slack, North, IDEs, and other agents. - Hold every release to the evaluation bar. Build and run the evaluation harness, and define what correct means in each domain: ground-truth question sets, including held-out cases and…
OpenAI · Munich, Germany
…customer problems and produce measurable business outcomes. - Work hands-on in code to build prototypes, evaluation harnesses, reference implementations, integrations, and production accelerators. - Make sound technical decisions…
Coinbase · Remote - Canada; US - Remote Zone 1 (Job Requisitions Only)
…agent recommendations and user-configured strategies translate into correct, auditable execution Develop our agentic harness, including tool calling, orchestration, persistent state, and recovery from failed or partially completed…
Coinbase · Remote - USA; US - Remote Zone 1 (Job Requisitions Only)
…agent recommendations and user-configured strategies translate into correct, auditable execution Develop our agentic harness, including tool calling, orchestration, persistent state, and recovery from failed or partially completed…
SIXT · Lisbon, Portugal
…AgentCore with MCP sub-agents and OpenAPI tool federation. Multi-provider fallback chains with Anthropic and OpenAI LLMs behind Bedrock Guardrails. Next: CARA for Voice YOUR SKILLS MATTER Engineering foundation You're an…
Roblox · San Mateo, CA, United States
…a sentence, iterate on it, playtest, and publish. Our team owns the platform underneath: the cloud-hosted agent harness, tools and skills, and evaluation framework. You'll work on the systems that make agents run well at scale:…
Roblox · San Mateo, CA, United States
…a game by describing it, on mobile and in Studio. Our team owns the platform underneath: the cloud-hosted agent harness, tools and skills, and evaluation framework. You'll be the senior technical leader shaping its…
Multiversecomputing · Barcelona, Spain
Data / ML engineeringSpainHugging FacevLLMLocal / open-weight LLMsAI / agent harnessEvals / LLM evaluation…at top venues (NeurIPS, ICML, ICLR, ACL, etc.), notable open-source contributions, or models released on Hugging Face. Fluency in Spanish. Perks and Benefits Indefinite contract. Equal pay guaranteed. Variable performance…
OpenAI · London, UK (United Kingdom)
…customer problems and produce measurable business outcomes. - Work hands-on in code to build prototypes, evaluation harnesses, reference implementations, integrations, and production accelerators. - Make sound technical decisions…
Ramp · New York, NY (HQ); San Francisco, CA (USA)
…(NeurIPS Datasets & Benchmarks, ICML, ACL) - Built or contributed to eval frameworks (verifiers, lm-evaluation-harness, HELM or similar) - Familiarity with accounting, finance or other expert-domain work - Public work we can…
Elastic · Greece; United Kingdom
…customers chat with and operate on their own data in Elasticsearch. We own the conversation experience, the agent harness and tools, retrieval and citations, streaming, memory, and the evaluation layer that keeps answers grounded…
Elastic · Poland; United Kingdom
…customers chat with and operate on their own data in Elasticsearch. We own the conversation experience, the agent harness and tools, retrieval and citations, streaming, memory, and the evaluation layer that keeps answers grounded…
Elastic · Ireland; United Kingdom
…customers chat with and operate on their own data in Elasticsearch. We own the conversation experience, the agent harness and tools, retrieval and citations, streaming, memory, and the evaluation layer that keeps answers grounded…
Elastic · Spain; United Kingdom
…customers chat with and operate on their own data in Elasticsearch. We own the conversation experience, the agent harness and tools, retrieval and citations, streaming, memory, and the evaluation layer that keeps answers grounded…
Elastic · United Kingdom
…customers chat with and operate on their own data in Elasticsearch. We own the conversation experience, the agent harness and tools, retrieval and citations, streaming, memory, and the evaluation layer that keeps answers grounded…
Perplexity · San Francisco (United States)
StaffAI / agent harness…RL and agent evaluation platforms that enable Perplexity to train state-of-the-art models and optimize agent harnesses. We are full-stack engineers with a broad remit. If you join us, you’ll build the distributed systems that…
Philo · San Francisco; Brooklyn; Cambridge; Remote (United States)
Data / ML engineeringUnited KingdomRemoteOpenAIAnthropicAmazon BedrockvLLMLiteLLMAI / agent harness+6 more…models. - Experience with LLMOps: inference gateways/routers (e.g. LiteLLM), hosted model APIs (Bedrock, OpenAI, Anthropic), RAG pipelines, vector databases (e.g. pgvector, Pinecone, Weaviate), and prompt/version…